# File lib/rubygems/gem_commands.rb, line 1097
    def initialize
      super('pristine',
        'Restores gem directories to pristine condition from files located in the gem cache',
        {
          :version => "> 0.0.0"
        })
      add_option('--all',
        'Restore all installed gems to pristine', 'condition'
        ) do |value, options|
        options[:all] = value
      end
      add_version_option('restore to', 'pristine condition')
    end